Anti-impact safety apparatus for robot

Details Anti-impact safety apparatus for robot Anti-impact safety apparatus for robot

1986-02-07

1987-10-20

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

52167, 188266, 267116, 414735, 901 29, 901 49, F16M 100, B61G 1112, B25J 1900, E02D 2734

Patent

active

047009322

ABSTRACT:
An anti-impact safety apparatus for a robot includes a buffer mechanism disposed between a swivel arm and a working arm of the robot. The buffer mechanism incorporates a converting mechanism which converts an electrical signal into a gas or liquid pressure. When an impact load, such as an axial load, eccentric load, or moment load, is applied to the working arm while in operation, the impact load is absorbed by the buffer mechanism and is also detected by a sensor switch, and the operation of the robot is instantaneously stopped. Thus, it is possible to protect the working arm and a function unit incorporated in the robot main body from the impact load. In addition, it is possible for the working arm to be readily restored to its normal position when the eccentricity thereof produced as a result of the impact is corrected.

REFERENCES:
patent: 3598206 (1971-08-01), Hennells
patent: 3834686 (1974-09-01), Moritz et al.
patent: 4332989 (1982-06-01), Nicholaisen
patent: 4540331 (1985-09-01), Stanner et al.
patent: 4639184 (1987-01-01), Knasel et al.
patent: 4655674 (1987-04-01), Kohler et al.

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